noun

tester

tester, examiner, sample

She works as a software tester.

She works as a software tester.

Use a voltage tester to check the outlet.

Use a voltage tester to check the outlet.

They gave out free testers of the new perfume.

They gave out free testers of the new perfume.

a/an + ((tester)) as a noun for a person, device, or sample He is a quality assurance tester.

Synonyms: examiner, inspector, sample

From the verb 'test' + the agent suffix '-er', meaning 'one who tests' or 'a thing that tests'.

A test-er is a p-er-son or a thing that p-er-forms a test. The '-er' ending is common for people or tools that do something.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.